Sica 15 K 4 PL

15" · 8 Ω · 1200 W · 99.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	46.5 Hz
Qts	0.3
Qes	0.31
Qms	11.43
Vas	102.3 L
Sd	855.3 cm²
Xmax	8 mm
Re	5.1 Ω
Bl	23.95 T·m
Mms	119 g
Pe	1200 W
Sensitivity	99.2 dB

Alignment hint

EBP	150 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 22.5 L

EBP > 100: favours a ported (bass-reflex) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
B&C 14 NDL 88	45 -1.5	0.298 =	102 -0.3	6.7 -1.3	98.8 -0.4	close	700 W vs 1200 W: lower power handling · Xmax 6.7 mm < 8 mm: lower excursion-limited SPL	+
Sica 15 PF 3	45 -1.5	0.31 +0.01	117.6 +15.3	8 =	99.1 -0.1	close		+
Beyma 15MC700Nd	49 +2.5	0.31 +0.01	105 +2.7	7 -1	100 +0.8	close	700 W vs 1200 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Sica 15 F 4 CP	46.4 -0.1	0.27 -0.03	97 -5.3	7 -1	99.4 +0.2	close	700 W vs 1200 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Oberton 15NXL701	43.4 -3.1	0.3 =	127.09 +24.79	9.25 +1.25	99 -0.2	close	700 W vs 1200 W: lower power handling	+
Beyma 15"P1000Fe V2	45 -1.5	0.3 =	80.7 -21.6	8 =	98 -1.2	close		+
Oberton 15XL701	45.25 -1.25	0.28 -0.02	116.99 +14.69	8.75 +0.75	98 -1.2	close	700 W vs 1200 W: lower power handling	+
Oberton 15MB701	44.24 -2.26	0.268 -0.03	100.22 -2.08	9.25 +1.25	97.5 -1.7	close	700 W vs 1200 W: lower power handling	+
B&C 15NA100	47 +0.5	0.28 -0.02	88 -14.3	10 +2	98 -1.2	close	800 W vs 1200 W: lower power handling	+
BMS 15CN860	46 -0.5	0.276 -0.02	102 -0.3	6 -2	98.7 -0.5	close	Xmax 6 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15 K 4 PL →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.